National Museum of Nuclear Science & History
Seymour Ratner was a staff worker at Los Alamos during the Manhattan Project.
John P. Hove was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Barr worked for Stone and Webster Engineering Corporation.
M. A. Fry worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Richard Brown served in the 1st Ordnance Squadron.